import java.util.Scanner;

public class SwithExercise {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("请输入(a-e)的字母：");
        char input = scanner.next().charAt(0);
        switch (input) {
            case 'a':
                char transform = 'a' - 32;
                System.out.println(transform);
                break;
            case 'b':
                System.out.println((char) ('b' - 32));
                break;
            case 'c':
                System.out.println((char) ('c' - 32));
                break;
            case 'd':
                System.out.println((char) ('d' - 32));
                break;
            case 'e':
                System.out.println((char) ('e' - 32));
                break;
            default:
                System.out.println("其他");
                break;
        }

    }
}
